²é¿´: 860  |  »Ø¸´: 5

sdnuÎäÑܽÜ

гæ (СÓÐÃûÆø)

[ÇóÖú] ÓйسÁµíƽºâµÄ¼ÆË㣬ÒÑ¿à¿à˼¿¼2Сʱ£¬ÊµÔÚÏë²»³ö£¬»¹Çë°ïæ ÒÑÓÐ2È˲ÎÓë

»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sdnuÎäÑܽÜ

гæ (СÓÐÃûÆø)

2Â¥2015-11-16 20:45:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

³çÃ÷ÏÈÉú

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÎÞ»úÊÀ½çÂþ²½Õß

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±ùµã½µÎÂ: ½ð±Ò+1, лл»ØÌû£¬ÐÁ¿àÀ²£¡ 2015-11-16 22:21:46
¸ù¾Ý²ÝËáµÄµçÀë³£ÊýÇó³ö»ìºÏºó²ÝËá¸ùÀë×ÓµÄŨ¶È£¬È»ºó¸ù¾ÝKsp¼ÆËãÊÇ·ñÉú³É³Áµí¡£

·¢×ÔСľ³æAndroid¿Í»§¶Ë
ÌÒ»¨Ô´ÀïÉÍÏл¨£¬ÎåÁøÕ¬Ç°¹ÛϸÓê¡£ÎÒÒªÈÃ×òÈյľ­µä³ÉΪÃ÷ÌìµÄ´íÎó¡£
3Â¥2015-11-16 21:47:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sdnuÎäÑܽÜ

гæ (СÓÐÃûÆø)

Ë­Äܸø¸ö¾ßÌåËã·¨£¬²»Ê¤¸Ð¼¤

·¢×ÔСľ³æAndroid¿Í»§¶Ë
4Â¥2015-11-16 23:28:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

CruiserD

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±ùµã½µÎÂ: ½ð±Ò+3, лл»ØÌû£¬»¶Ó­³£À´ÎÞ»úÎﻯ°æ½»Á÷¡£ 2015-11-17 09:43:19
ÒýÓûØÌû:
4Â¥: Originally posted by sdnuÎäÑÜ½Ü at 2015-11-16 23:28:30
Ë­Äܸø¸ö¾ßÌåËã·¨£¬²»Ê¤¸Ð¼¤

żÀ´ÊÔÊÔ¿´£º
ÈÜÒº»ìºÏºó£¬¼ÙÉè²»·¢Éú³Áµí·´Ó¦£¬
Ôò²ÝËáŨ¶Èc = 2.4*10^(-2) mol/L, c(Mn2+) = c(Zn2+) = 4*10^(-3) mol/L
Ê×ÏÈ¿¼ÂDzÝËáµÄµçÀ룬¶ÔÓÚ¶þÔªÈõËáÇÒKa1ÓëKa2²î±ð½Ï´óʱ£¬Ö»¿¼ÂÇÒ»¼¶µçÀ룬Ka1 = [H+]2/(c - [H+])
½«Ka1ºÍc´úÈëÉÏʽ£¬¼ÆËãÖª[H+] = 3.59*10^(-2) mol/L
ÄÇô[C2O4 2-]/c = Ka1*Ka2/([H+]2+[H+]Ka1+Ka1*Ka2) = 8.9*10^(-4)
¼´²ÝËá¸ùÔÚÈ«²¿²ÝËáÖÐÕ¼±È·Ç³£µÍ£¬¸ú³£Ê¶·ûºÏ~
ÄÇô[C2O4 2-] = 2.14*10^(-5) mol/L
´Ëʱ£¬c(Mn2+)*[C2O4 2-] = c(Zn2+)*[C2O4 2-] = 8.28*10^(-8)
¸ÃÖµ¸ßÓÚKsp(ZnC2O4)£¬Ð¡ÓÚKsp(MnC2O4)£¬¹Ê¶ø³ÁµíÖÐÖ»ÓÐZnC2O4, ûÓÐMnC2O4~~

ÇÒËæ×ÅZnC2O4µÄÉú³É£¬ÈÜÒºÖÐ[H+]Éý¸ß£¬[C2O4 2-]½µµÍ£¬Ö±ÖÁÂú×ãKsp(ZnC2O4)Ϊֹ¡£Í¬Ê±£¬Ëæ×Å[C2O4 2-]µÄ½µµÍ£¬¸ü²»»áÉú³ÉMnC2O4³Áµí~~
¬ɪ¡¤Î÷ÃÅÂÞ·òͬ־
5Â¥2015-11-17 09:39:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

CruiserD

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ºÃÏñÓÐÄÄÀﲻ̫¶Ô...
lz¿´Ë¼Â·¾ÍºÃÁË~~
¬ɪ¡¤Î÷ÃÅÂÞ·òͬ־
6Â¥2015-11-17 09:41:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ sdnuÎäÑÜ½Ü µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +11 ¶­°Ëǧ 2026-08-26 11/550 2026-08-28 18:06 by Leogzhya
[»ù½ðÉêÇë] Ϊʲô×ÊÖúÊý¸÷´ó¸ßУ¶¼´´Ð¸ߣ¬×Ô¼ºÉêÇëÔõô¾ÍÕâôÄÑ +11 Kittylucky 2026-08-27 12/600 2026-08-28 16:26 by lyxiaomc
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +8 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 8/400 2026-08-28 14:41 by lkforward
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +11 eulota 2026-08-26 11/550 2026-08-28 14:22 by »ðÐdz¬ÈËxi
[»ù½ðÉêÇë] Â鷳ר¼ÒÃÇ¿´¿´ÆÀίÃǵÄÒâ¼û£¨F¿ÚÃæÉÏ£© +4 gdd2018 2026-08-28 9/450 2026-08-28 14:22 by jklily
[»ù½ðÉêÇë] 2026ÄêÒ¶ÆóËï»ù½ð +3 bud_bud 2026-08-27 6/300 2026-08-28 11:53 by bud_bud
[»ù½ðÉêÇë] ÄÄλ¸ßÈËÖÐÁË£¬°Ñ²éѯµ½µÄ½ØÍ¼Ìù³öÀ´ÈÃÎÒ¿´¿´£¬ÈÃÎÒ³¤³¤¼ûʶ +5 yuleib84 2026-08-26 6/300 2026-08-28 00:02 by yudaoqian88
[»ù½ðÉêÇë] ÃæÉϺÏ×÷µ¥Î»¸ÇÕ +5 ssyjh 2026-08-27 5/250 2026-08-27 20:50 by gdfollow
[»ù½ðÉêÇë] ÉêÇëɾ³ý±¾Ìû +6 lyz123lyz 2026-08-27 7/350 2026-08-27 17:31 by Äþ¾²ÖÂÔ¶sy
[ÎÄѧ·¼²ÝÔ°] ÃÎÏë +3 myrtle 2026-08-26 3/150 2026-08-27 10:01 by angelyueyi
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] 2026Äê8ÔÂ25ÈÕ¹ú×ÔÈ»·Å°ñǰͻȻÊÕµ½ÁÐÈëÆÀÉóר¼ÒÓʼþ£¬ÓйØÏµÂ𣿠+25 ľˮ˼¶¹ 2026-08-25 28/1400 2026-08-26 14:53 by draco1987
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +23 koalala 2026-08-24 26/1300 2026-08-26 14:29 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ³öÀ´ÁË +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ϵͳ½ø²»È¥ +4 yanglien 2026-08-26 5/250 2026-08-26 11:10 by wenfengw83
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ¹úºÏÏÖÔڲ鲻µ½ÁËÂ𣿠+10 chengyan1220 2026-08-24 20/1000 2026-08-26 08:57 by peasantsprig
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ûÓÐÈκÎÏûÏ¢-ÊDz»ÊǾÍÁ¹ÁË +9 ͼÀ²Í¼À² 2026-08-24 10/500 2026-08-25 11:59 by ÄϺ£Ð¡¸ç
[½Ìʦ֮¼Ò] Ìø²ÛºóÔÚÑÐÏîÄ¿Ôõô°ì£¿ +5 ¼òµ¥»¯xn 2026-08-22 10/500 2026-08-23 12:38 by ¼òµ¥»¯xn
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û